.fl {
  float: left;
}

.fr {
  float: right;
}

.pr {
  position: relative;
}

.pa {
  position: absolute;
}

.clearfix {
  &:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
  }
}

.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ellipsis-2lines {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.m-t-20 {
  margin-top: 20px;
}
.m-t-30 {
  margin-top: 30px;
}